Home / 64,756.28-89,376.96-40,866.92

Finding the Fourth Proportional to 64,756.28, 89,376.96 and 40,866.92

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Solution

The fourth proportional to 64,756.28, 89,376.96 and 40,866.92 is: 56,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.28 : 89,376.96 = 40,866.92 : x
  2. Step 2: Convert to fraction form
    64,756.28/89,376.96 = 40,866.92/x
  3. Step 3: Cross multiply
    64,756.28x = 89,376.96 × 40,866.92
  4. Step 4: Simplify right side
    64,756.28x = 3,652,561,074.16
  5. Step 5: Solve for x
    x = 3,652,561,074.16/64,756.28
  6. Step 6: Final answer
    x = 56,404.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.