Home / 40,030.09-60,045.18-10,447.90

Finding the Fourth Proportional to 40,030.09, 60,045.18 and 10,447.90

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Solution

The fourth proportional to 40,030.09, 60,045.18 and 10,447.90 is: 15,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.09 : 60,045.18 = 10,447.90 : x
  2. Step 2: Convert to fraction form
    40,030.09/60,045.18 = 10,447.90/x
  3. Step 3: Cross multiply
    40,030.09x = 60,045.18 × 10,447.90
  4. Step 4: Simplify right side
    40,030.09x = 627,346,036.12
  5. Step 5: Solve for x
    x = 627,346,036.12/40,030.09
  6. Step 6: Final answer
    x = 15,671.86

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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.