Home / 42,534.80-63,802.19-11,370.05

Finding the Fourth Proportional to 42,534.80, 63,802.19 and 11,370.05

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Solution

The fourth proportional to 42,534.80, 63,802.19 and 11,370.05 is: 17,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.80 : 63,802.19 = 11,370.05 : x
  2. Step 2: Convert to fraction form
    42,534.80/63,802.19 = 11,370.05/x
  3. Step 3: Cross multiply
    42,534.80x = 63,802.19 × 11,370.05
  4. Step 4: Simplify right side
    42,534.80x = 725,434,278.34
  5. Step 5: Solve for x
    x = 725,434,278.34/42,534.80
  6. Step 6: Final answer
    x = 17,055.08

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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.