Home / 56,806.10-78,398.25-34,152.47

Finding the Fourth Proportional to 56,806.10, 78,398.25 and 34,152.47

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Solution

The fourth proportional to 56,806.10, 78,398.25 and 34,152.47 is: 47,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806.10 : 78,398.25 = 34,152.47 : x
  2. Step 2: Convert to fraction form
    56,806.10/78,398.25 = 34,152.47/x
  3. Step 3: Cross multiply
    56,806.10x = 78,398.25 × 34,152.47
  4. Step 4: Simplify right side
    56,806.10x = 2,677,493,881.18
  5. Step 5: Solve for x
    x = 2,677,493,881.18/56,806.10
  6. Step 6: Final answer
    x = 47,133.91

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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.