Home / 42,971.84-64,381.48-17,956.74

Finding the Fourth Proportional to 42,971.84, 64,381.48 and 17,956.74

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Solution

The fourth proportional to 42,971.84, 64,381.48 and 17,956.74 is: 26,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971.84 : 64,381.48 = 17,956.74 : x
  2. Step 2: Convert to fraction form
    42,971.84/64,381.48 = 17,956.74/x
  3. Step 3: Cross multiply
    42,971.84x = 64,381.48 × 17,956.74
  4. Step 4: Simplify right side
    42,971.84x = 1,156,081,452.28
  5. Step 5: Solve for x
    x = 1,156,081,452.28/42,971.84
  6. Step 6: Final answer
    x = 26,903.24

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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.