Home / 30,184.95-45,267.17-10,458.90

Finding the Fourth Proportional to 30,184.95, 45,267.17 and 10,458.90

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Solution

The fourth proportional to 30,184.95, 45,267.17 and 10,458.90 is: 15,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.95 : 45,267.17 = 10,458.90 : x
  2. Step 2: Convert to fraction form
    30,184.95/45,267.17 = 10,458.90/x
  3. Step 3: Cross multiply
    30,184.95x = 45,267.17 × 10,458.90
  4. Step 4: Simplify right side
    30,184.95x = 473,444,752.02
  5. Step 5: Solve for x
    x = 473,444,752.02/30,184.95
  6. Step 6: Final answer
    x = 15,684.79

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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.