Home / 42,851.64-64,166.70-29,565.60

Finding the Fourth Proportional to 42,851.64, 64,166.70 and 29,565.60

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Solution

The fourth proportional to 42,851.64, 64,166.70 and 29,565.60 is: 44,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,851.64 : 64,166.70 = 29,565.60 : x
  2. Step 2: Convert to fraction form
    42,851.64/64,166.70 = 29,565.60/x
  3. Step 3: Cross multiply
    42,851.64x = 64,166.70 × 29,565.60
  4. Step 4: Simplify right side
    42,851.64x = 1,897,126,985.52
  5. Step 5: Solve for x
    x = 1,897,126,985.52/42,851.64
  6. Step 6: Final answer
    x = 44,271.98

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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.