Home / 40,478.55-60,712.36-10,898.16

Finding the Fourth Proportional to 40,478.55, 60,712.36 and 10,898.16

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Solution

The fourth proportional to 40,478.55, 60,712.36 and 10,898.16 is: 16,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.55 : 60,712.36 = 10,898.16 : x
  2. Step 2: Convert to fraction form
    40,478.55/60,712.36 = 10,898.16/x
  3. Step 3: Cross multiply
    40,478.55x = 60,712.36 × 10,898.16
  4. Step 4: Simplify right side
    40,478.55x = 661,652,958.77
  5. Step 5: Solve for x
    x = 661,652,958.77/40,478.55
  6. Step 6: Final answer
    x = 16,345.77

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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.