Home / 52,491.12-72,435-29,827.08

Finding the Fourth Proportional to 52,491.12, 72,435 and 29,827.08

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Solution

The fourth proportional to 52,491.12, 72,435 and 29,827.08 is: 41,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.12 : 72,435 = 29,827.08 : x
  2. Step 2: Convert to fraction form
    52,491.12/72,435 = 29,827.08/x
  3. Step 3: Cross multiply
    52,491.12x = 72,435 × 29,827.08
  4. Step 4: Simplify right side
    52,491.12x = 2,160,524,539.80
  5. Step 5: Solve for x
    x = 2,160,524,539.80/52,491.12
  6. Step 6: Final answer
    x = 41,159.81

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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.