Home / 42,870.56-64,333.04-23,162.72

Finding the Fourth Proportional to 42,870.56, 64,333.04 and 23,162.72

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Solution

The fourth proportional to 42,870.56, 64,333.04 and 23,162.72 is: 34,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,870.56 : 64,333.04 = 23,162.72 : x
  2. Step 2: Convert to fraction form
    42,870.56/64,333.04 = 23,162.72/x
  3. Step 3: Cross multiply
    42,870.56x = 64,333.04 × 23,162.72
  4. Step 4: Simplify right side
    42,870.56x = 1,490,128,192.27
  5. Step 5: Solve for x
    x = 1,490,128,192.27/42,870.56
  6. Step 6: Final answer
    x = 34,758.78

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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.