Home / 42,700.68-64,006.36-14,611.30

Finding the Fourth Proportional to 42,700.68, 64,006.36 and 14,611.30

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Solution

The fourth proportional to 42,700.68, 64,006.36 and 14,611.30 is: 21,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.68 : 64,006.36 = 14,611.30 : x
  2. Step 2: Convert to fraction form
    42,700.68/64,006.36 = 14,611.30/x
  3. Step 3: Cross multiply
    42,700.68x = 64,006.36 × 14,611.30
  4. Step 4: Simplify right side
    42,700.68x = 935,216,127.87
  5. Step 5: Solve for x
    x = 935,216,127.87/42,700.68
  6. Step 6: Final answer
    x = 21,901.67

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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.