Home / 48,282,220.70-72,423,331.05-21,001,582.70

Finding the Fourth Proportional to 48,282,220.70, 72,423,331.05 and 21,001,582.70

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Solution

The fourth proportional to 48,282,220.70, 72,423,331.05 and 21,001,582.70 is: 31,502,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282,220.70 : 72,423,331.05 = 21,001,582.70 : x
  2. Step 2: Convert to fraction form
    48,282,220.70/72,423,331.05 = 21,001,582.70/x
  3. Step 3: Cross multiply
    48,282,220.70x = 72,423,331.05 × 21,001,582.70
  4. Step 4: Simplify right side
    48,282,220.70x = 1,521,004,576,456,052.75
  5. Step 5: Solve for x
    x = 1,521,004,576,456,052.75/48,282,220.70
  6. Step 6: Final answer
    x = 31,502,374.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.