Home / 53,909.80-74,386.66-30,031.08

Finding the Fourth Proportional to 53,909.80, 74,386.66 and 30,031.08

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Solution

The fourth proportional to 53,909.80, 74,386.66 and 30,031.08 is: 41,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.80 : 74,386.66 = 30,031.08 : x
  2. Step 2: Convert to fraction form
    53,909.80/74,386.66 = 30,031.08/x
  3. Step 3: Cross multiply
    53,909.80x = 74,386.66 × 30,031.08
  4. Step 4: Simplify right side
    53,909.80x = 2,233,911,737.39
  5. Step 5: Solve for x
    x = 2,233,911,737.39/53,909.80
  6. Step 6: Final answer
    x = 41,437.95

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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.