Home / 42,841.39-64,264.48-13,256.92

Finding the Fourth Proportional to 42,841.39, 64,264.48 and 13,256.92

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Solution

The fourth proportional to 42,841.39, 64,264.48 and 13,256.92 is: 19,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841.39 : 64,264.48 = 13,256.92 : x
  2. Step 2: Convert to fraction form
    42,841.39/64,264.48 = 13,256.92/x
  3. Step 3: Cross multiply
    42,841.39x = 64,264.48 × 13,256.92
  4. Step 4: Simplify right side
    42,841.39x = 851,949,070.20
  5. Step 5: Solve for x
    x = 851,949,070.20/42,841.39
  6. Step 6: Final answer
    x = 19,886.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.