Home / 60,316.30-90,406.71-28,311.08

Finding the Fourth Proportional to 60,316.30, 90,406.71 and 28,311.08

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Solution

The fourth proportional to 60,316.30, 90,406.71 and 28,311.08 is: 42,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,316.30 : 90,406.71 = 28,311.08 : x
  2. Step 2: Convert to fraction form
    60,316.30/90,406.71 = 28,311.08/x
  3. Step 3: Cross multiply
    60,316.30x = 90,406.71 × 28,311.08
  4. Step 4: Simplify right side
    60,316.30x = 2,559,511,599.35
  5. Step 5: Solve for x
    x = 2,559,511,599.35/60,316.30
  6. Step 6: Final answer
    x = 42,434.82

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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.