Home / 56,360.04-77,776.92-31,209

Finding the Fourth Proportional to 56,360.04, 77,776.92 and 31,209

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Solution

The fourth proportional to 56,360.04, 77,776.92 and 31,209 is: 43,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.04 : 77,776.92 = 31,209 : x
  2. Step 2: Convert to fraction form
    56,360.04/77,776.92 = 31,209/x
  3. Step 3: Cross multiply
    56,360.04x = 77,776.92 × 31,209
  4. Step 4: Simplify right side
    56,360.04x = 2,427,339,896.28
  5. Step 5: Solve for x
    x = 2,427,339,896.28/56,360.04
  6. Step 6: Final answer
    x = 43,068.46

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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.