Home / 42,425.60-58,547.20-25,653.76

Finding the Fourth Proportional to 42,425.60, 58,547.20 and 25,653.76

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Solution

The fourth proportional to 42,425.60, 58,547.20 and 25,653.76 is: 35,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.60 : 58,547.20 = 25,653.76 : x
  2. Step 2: Convert to fraction form
    42,425.60/58,547.20 = 25,653.76/x
  3. Step 3: Cross multiply
    42,425.60x = 58,547.20 × 25,653.76
  4. Step 4: Simplify right side
    42,425.60x = 1,501,955,817.47
  5. Step 5: Solve for x
    x = 1,501,955,817.47/42,425.60
  6. Step 6: Final answer
    x = 35,402.11

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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.