Home / 56,818.18-78,405.53-31,323.23

Finding the Fourth Proportional to 56,818.18, 78,405.53 and 31,323.23

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Solution

The fourth proportional to 56,818.18, 78,405.53 and 31,323.23 is: 43,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.18 : 78,405.53 = 31,323.23 : x
  2. Step 2: Convert to fraction form
    56,818.18/78,405.53 = 31,323.23/x
  3. Step 3: Cross multiply
    56,818.18x = 78,405.53 × 31,323.23
  4. Step 4: Simplify right side
    56,818.18x = 2,455,914,449.46
  5. Step 5: Solve for x
    x = 2,455,914,449.46/56,818.18
  6. Step 6: Final answer
    x = 43,224.10

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1.5x scale

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.