Home / 40,956.04-61,434.02-12,875.96

Finding the Fourth Proportional to 40,956.04, 61,434.02 and 12,875.96

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Solution

The fourth proportional to 40,956.04, 61,434.02 and 12,875.96 is: 19,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.04 : 61,434.02 = 12,875.96 : x
  2. Step 2: Convert to fraction form
    40,956.04/61,434.02 = 12,875.96/x
  3. Step 3: Cross multiply
    40,956.04x = 61,434.02 × 12,875.96
  4. Step 4: Simplify right side
    40,956.04x = 791,021,984.16
  5. Step 5: Solve for x
    x = 791,021,984.16/40,956.04
  6. Step 6: Final answer
    x = 19,313.93

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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.