Home / 40,085.62-60,062.76-21,345.76

Finding the Fourth Proportional to 40,085.62, 60,062.76 and 21,345.76

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Solution

The fourth proportional to 40,085.62, 60,062.76 and 21,345.76 is: 31,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.62 : 60,062.76 = 21,345.76 : x
  2. Step 2: Convert to fraction form
    40,085.62/60,062.76 = 21,345.76/x
  3. Step 3: Cross multiply
    40,085.62x = 60,062.76 × 21,345.76
  4. Step 4: Simplify right side
    40,085.62x = 1,282,085,259.90
  5. Step 5: Solve for x
    x = 1,282,085,259.90/40,085.62
  6. Step 6: Final answer
    x = 31,983.67

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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.