Home / 64,539.34-89,053.84-40,337.45

Finding the Fourth Proportional to 64,539.34, 89,053.84 and 40,337.45

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Solution

The fourth proportional to 64,539.34, 89,053.84 and 40,337.45 is: 55,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.34 : 89,053.84 = 40,337.45 : x
  2. Step 2: Convert to fraction form
    64,539.34/89,053.84 = 40,337.45/x
  3. Step 3: Cross multiply
    64,539.34x = 89,053.84 × 40,337.45
  4. Step 4: Simplify right side
    64,539.34x = 3,592,204,818.31
  5. Step 5: Solve for x
    x = 3,592,204,818.31/64,539.34
  6. Step 6: Final answer
    x = 55,659.15

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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.