Home / 52,648.19-72,646.10-29,987.62

Finding the Fourth Proportional to 52,648.19, 72,646.10 and 29,987.62

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Solution

The fourth proportional to 52,648.19, 72,646.10 and 29,987.62 is: 41,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.19 : 72,646.10 = 29,987.62 : x
  2. Step 2: Convert to fraction form
    52,648.19/72,646.10 = 29,987.62/x
  3. Step 3: Cross multiply
    52,648.19x = 72,646.10 × 29,987.62
  4. Step 4: Simplify right side
    52,648.19x = 2,178,484,008.41
  5. Step 5: Solve for x
    x = 2,178,484,008.41/52,648.19
  6. Step 6: Final answer
    x = 41,378.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.