Home / 51,129.56-70,547.90-29,904.68

Finding the Fourth Proportional to 51,129.56, 70,547.90 and 29,904.68

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Solution

The fourth proportional to 51,129.56, 70,547.90 and 29,904.68 is: 41,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.56 : 70,547.90 = 29,904.68 : x
  2. Step 2: Convert to fraction form
    51,129.56/70,547.90 = 29,904.68/x
  3. Step 3: Cross multiply
    51,129.56x = 70,547.90 × 29,904.68
  4. Step 4: Simplify right side
    51,129.56x = 2,109,712,374.17
  5. Step 5: Solve for x
    x = 2,109,712,374.17/51,129.56
  6. Step 6: Final answer
    x = 41,262.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.