Home / 63,146.08-87,173.13-39,280.42

Finding the Fourth Proportional to 63,146.08, 87,173.13 and 39,280.42

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Solution

The fourth proportional to 63,146.08, 87,173.13 and 39,280.42 is: 54,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.08 : 87,173.13 = 39,280.42 : x
  2. Step 2: Convert to fraction form
    63,146.08/87,173.13 = 39,280.42/x
  3. Step 3: Cross multiply
    63,146.08x = 87,173.13 × 39,280.42
  4. Step 4: Simplify right side
    63,146.08x = 3,424,197,159.11
  5. Step 5: Solve for x
    x = 3,424,197,159.11/63,146.08
  6. Step 6: Final answer
    x = 54,226.60

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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.