Home / 42,017.47-57,984.11-23,154.60

Finding the Fourth Proportional to 42,017.47, 57,984.11 and 23,154.60

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Solution

The fourth proportional to 42,017.47, 57,984.11 and 23,154.60 is: 31,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.47 : 57,984.11 = 23,154.60 : x
  2. Step 2: Convert to fraction form
    42,017.47/57,984.11 = 23,154.60/x
  3. Step 3: Cross multiply
    42,017.47x = 57,984.11 × 23,154.60
  4. Step 4: Simplify right side
    42,017.47x = 1,342,598,873.41
  5. Step 5: Solve for x
    x = 1,342,598,873.41/42,017.47
  6. Step 6: Final answer
    x = 31,953.35

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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.