Home / 53,681.61-74,150.34-40,856.88

Finding the Fourth Proportional to 53,681.61, 74,150.34 and 40,856.88

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Solution

The fourth proportional to 53,681.61, 74,150.34 and 40,856.88 is: 56,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.61 : 74,150.34 = 40,856.88 : x
  2. Step 2: Convert to fraction form
    53,681.61/74,150.34 = 40,856.88/x
  3. Step 3: Cross multiply
    53,681.61x = 74,150.34 × 40,856.88
  4. Step 4: Simplify right side
    53,681.61x = 3,029,551,543.34
  5. Step 5: Solve for x
    x = 3,029,551,543.34/53,681.61
  6. Step 6: Final answer
    x = 56,435.56

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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.