Home / 56,526.48-78,002.64-31,374

Finding the Fourth Proportional to 56,526.48, 78,002.64 and 31,374

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Solution

The fourth proportional to 56,526.48, 78,002.64 and 31,374 is: 43,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.48 : 78,002.64 = 31,374 : x
  2. Step 2: Convert to fraction form
    56,526.48/78,002.64 = 31,374/x
  3. Step 3: Cross multiply
    56,526.48x = 78,002.64 × 31,374
  4. Step 4: Simplify right side
    56,526.48x = 2,447,254,827.36
  5. Step 5: Solve for x
    x = 2,447,254,827.36/56,526.48
  6. Step 6: Final answer
    x = 43,293.95

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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.