Home / 45,326.03-62,499.50-30,988.20

Finding the Fourth Proportional to 45,326.03, 62,499.50 and 30,988.20

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Solution

The fourth proportional to 45,326.03, 62,499.50 and 30,988.20 is: 42,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.03 : 62,499.50 = 30,988.20 : x
  2. Step 2: Convert to fraction form
    45,326.03/62,499.50 = 30,988.20/x
  3. Step 3: Cross multiply
    45,326.03x = 62,499.50 × 30,988.20
  4. Step 4: Simplify right side
    45,326.03x = 1,936,746,967.16
  5. Step 5: Solve for x
    x = 1,936,746,967.16/45,326.03
  6. Step 6: Final answer
    x = 42,729.24

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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.