Home / 42,655.64-58,888.88-28,340.04

Finding the Fourth Proportional to 42,655.64, 58,888.88 and 28,340.04

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Solution

The fourth proportional to 42,655.64, 58,888.88 and 28,340.04 is: 39,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.64 : 58,888.88 = 28,340.04 : x
  2. Step 2: Convert to fraction form
    42,655.64/58,888.88 = 28,340.04/x
  3. Step 3: Cross multiply
    42,655.64x = 58,888.88 × 28,340.04
  4. Step 4: Simplify right side
    42,655.64x = 1,668,913,214.76
  5. Step 5: Solve for x
    x = 1,668,913,214.76/42,655.64
  6. Step 6: Final answer
    x = 39,125.26

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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.