Home / 42,696.04-64,047.14-16,400.78

Finding the Fourth Proportional to 42,696.04, 64,047.14 and 16,400.78

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Solution

The fourth proportional to 42,696.04, 64,047.14 and 16,400.78 is: 24,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.04 : 64,047.14 = 16,400.78 : x
  2. Step 2: Convert to fraction form
    42,696.04/64,047.14 = 16,400.78/x
  3. Step 3: Cross multiply
    42,696.04x = 64,047.14 × 16,400.78
  4. Step 4: Simplify right side
    42,696.04x = 1,050,423,052.77
  5. Step 5: Solve for x
    x = 1,050,423,052.77/42,696.04
  6. Step 6: Final answer
    x = 24,602.35

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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.