Home / 60,427.40-90,485.58-39,587.72

Finding the Fourth Proportional to 60,427.40, 90,485.58 and 39,587.72

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Solution

The fourth proportional to 60,427.40, 90,485.58 and 39,587.72 is: 59,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.40 : 90,485.58 = 39,587.72 : x
  2. Step 2: Convert to fraction form
    60,427.40/90,485.58 = 39,587.72/x
  3. Step 3: Cross multiply
    60,427.40x = 90,485.58 × 39,587.72
  4. Step 4: Simplify right side
    60,427.40x = 3,582,117,805.08
  5. Step 5: Solve for x
    x = 3,582,117,805.08/60,427.40
  6. Step 6: Final answer
    x = 59,279.69

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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.