Home / 48,617.51-72,897.10-19,000.07

Finding the Fourth Proportional to 48,617.51, 72,897.10 and 19,000.07

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Solution

The fourth proportional to 48,617.51, 72,897.10 and 19,000.07 is: 28,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.51 : 72,897.10 = 19,000.07 : x
  2. Step 2: Convert to fraction form
    48,617.51/72,897.10 = 19,000.07/x
  3. Step 3: Cross multiply
    48,617.51x = 72,897.10 × 19,000.07
  4. Step 4: Simplify right side
    48,617.51x = 1,385,049,590.81
  5. Step 5: Solve for x
    x = 1,385,049,590.81/48,617.51
  6. Step 6: Final answer
    x = 28,488.70

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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.