Home / 42,737.94-64,106.91-11,577.78

Finding the Fourth Proportional to 42,737.94, 64,106.91 and 11,577.78

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Solution

The fourth proportional to 42,737.94, 64,106.91 and 11,577.78 is: 17,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,737.94 : 64,106.91 = 11,577.78 : x
  2. Step 2: Convert to fraction form
    42,737.94/64,106.91 = 11,577.78/x
  3. Step 3: Cross multiply
    42,737.94x = 64,106.91 × 11,577.78
  4. Step 4: Simplify right side
    42,737.94x = 742,215,700.46
  5. Step 5: Solve for x
    x = 742,215,700.46/42,737.94
  6. Step 6: Final answer
    x = 17,366.67

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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.