Home / 48,637.29-72,919.47-20,590.23

Finding the Fourth Proportional to 48,637.29, 72,919.47 and 20,590.23

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Solution

The fourth proportional to 48,637.29, 72,919.47 and 20,590.23 is: 30,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.29 : 72,919.47 = 20,590.23 : x
  2. Step 2: Convert to fraction form
    48,637.29/72,919.47 = 20,590.23/x
  3. Step 3: Cross multiply
    48,637.29x = 72,919.47 × 20,590.23
  4. Step 4: Simplify right side
    48,637.29x = 1,501,428,658.78
  5. Step 5: Solve for x
    x = 1,501,428,658.78/48,637.29
  6. Step 6: Final answer
    x = 30,869.91

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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.