Home / 42,937.47-64,398.00-13,355.66

Finding the Fourth Proportional to 42,937.47, 64,398.00 and 13,355.66

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Solution

The fourth proportional to 42,937.47, 64,398.00 and 13,355.66 is: 20,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.47 : 64,398.00 = 13,355.66 : x
  2. Step 2: Convert to fraction form
    42,937.47/64,398.00 = 13,355.66/x
  3. Step 3: Cross multiply
    42,937.47x = 64,398.00 × 13,355.66
  4. Step 4: Simplify right side
    42,937.47x = 860,078,003.76
  5. Step 5: Solve for x
    x = 860,078,003.76/42,937.47
  6. Step 6: Final answer
    x = 20,030.94

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1.5x scale

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.