Home / 42,798.76-59,070.40-28,676.14

Finding the Fourth Proportional to 42,798.76, 59,070.40 and 28,676.14

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Solution

The fourth proportional to 42,798.76, 59,070.40 and 28,676.14 is: 39,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,798.76 : 59,070.40 = 28,676.14 : x
  2. Step 2: Convert to fraction form
    42,798.76/59,070.40 = 28,676.14/x
  3. Step 3: Cross multiply
    42,798.76x = 59,070.40 × 28,676.14
  4. Step 4: Simplify right side
    42,798.76x = 1,693,911,060.26
  5. Step 5: Solve for x
    x = 1,693,911,060.26/42,798.76
  6. Step 6: Final answer
    x = 39,578.51

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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.