Home / 37,909.95-52,298.80-21,985.17

Finding the Fourth Proportional to 37,909.95, 52,298.80 and 21,985.17

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Solution

The fourth proportional to 37,909.95, 52,298.80 and 21,985.17 is: 30,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.95 : 52,298.80 = 21,985.17 : x
  2. Step 2: Convert to fraction form
    37,909.95/52,298.80 = 21,985.17/x
  3. Step 3: Cross multiply
    37,909.95x = 52,298.80 × 21,985.17
  4. Step 4: Simplify right side
    37,909.95x = 1,149,798,008.80
  5. Step 5: Solve for x
    x = 1,149,798,008.80/37,909.95
  6. Step 6: Final answer
    x = 30,329.72

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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.