Home / 63,587.64-87,751.32-39,728.19

Finding the Fourth Proportional to 63,587.64, 87,751.32 and 39,728.19

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Solution

The fourth proportional to 63,587.64, 87,751.32 and 39,728.19 is: 54,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,587.64 : 87,751.32 = 39,728.19 : x
  2. Step 2: Convert to fraction form
    63,587.64/87,751.32 = 39,728.19/x
  3. Step 3: Cross multiply
    63,587.64x = 87,751.32 × 39,728.19
  4. Step 4: Simplify right side
    63,587.64x = 3,486,201,113.71
  5. Step 5: Solve for x
    x = 3,486,201,113.71/63,587.64
  6. Step 6: Final answer
    x = 54,825.14

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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.