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Finding the Fourth Proportional to 60,030.08, 90,041.88 and 30,447.15

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Solution

The fourth proportional to 60,030.08, 90,041.88 and 30,447.15 is: 45,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,030.08 : 90,041.88 = 30,447.15 : x
  2. Step 2: Convert to fraction form
    60,030.08/90,041.88 = 30,447.15/x
  3. Step 3: Cross multiply
    60,030.08x = 90,041.88 × 30,447.15
  4. Step 4: Simplify right side
    60,030.08x = 2,741,518,626.64
  5. Step 5: Solve for x
    x = 2,741,518,626.64/60,030.08
  6. Step 6: Final answer
    x = 45,669.08

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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.