Home / 48,001.70-72,041.06-21,708.74

Finding the Fourth Proportional to 48,001.70, 72,041.06 and 21,708.74

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Solution

The fourth proportional to 48,001.70, 72,041.06 and 21,708.74 is: 32,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.70 : 72,041.06 = 21,708.74 : x
  2. Step 2: Convert to fraction form
    48,001.70/72,041.06 = 21,708.74/x
  3. Step 3: Cross multiply
    48,001.70x = 72,041.06 × 21,708.74
  4. Step 4: Simplify right side
    48,001.70x = 1,563,920,640.86
  5. Step 5: Solve for x
    x = 1,563,920,640.86/48,001.70
  6. Step 6: Final answer
    x = 32,580.53

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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.