Home / 47,463.90-65,479.59-28,590.18

Finding the Fourth Proportional to 47,463.90, 65,479.59 and 28,590.18

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Solution

The fourth proportional to 47,463.90, 65,479.59 and 28,590.18 is: 39,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,463.90 : 65,479.59 = 28,590.18 : x
  2. Step 2: Convert to fraction form
    47,463.90/65,479.59 = 28,590.18/x
  3. Step 3: Cross multiply
    47,463.90x = 65,479.59 × 28,590.18
  4. Step 4: Simplify right side
    47,463.90x = 1,872,073,264.43
  5. Step 5: Solve for x
    x = 1,872,073,264.43/47,463.90
  6. Step 6: Final answer
    x = 39,442.04

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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.