Home / 42,957.47-59,146.58-39,020.87

Finding the Fourth Proportional to 42,957.47, 59,146.58 and 39,020.87

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Solution

The fourth proportional to 42,957.47, 59,146.58 and 39,020.87 is: 53,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,957.47 : 59,146.58 = 39,020.87 : x
  2. Step 2: Convert to fraction form
    42,957.47/59,146.58 = 39,020.87/x
  3. Step 3: Cross multiply
    42,957.47x = 59,146.58 × 39,020.87
  4. Step 4: Simplify right side
    42,957.47x = 2,307,950,518.29
  5. Step 5: Solve for x
    x = 2,307,950,518.29/42,957.47
  6. Step 6: Final answer
    x = 53,726.41

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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.