Home / 55,027.63-75,938.41-31,158.95

Finding the Fourth Proportional to 55,027.63, 75,938.41 and 31,158.95

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Solution

The fourth proportional to 55,027.63, 75,938.41 and 31,158.95 is: 42,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.63 : 75,938.41 = 31,158.95 : x
  2. Step 2: Convert to fraction form
    55,027.63/75,938.41 = 31,158.95/x
  3. Step 3: Cross multiply
    55,027.63x = 75,938.41 × 31,158.95
  4. Step 4: Simplify right side
    55,027.63x = 2,366,161,420.26
  5. Step 5: Solve for x
    x = 2,366,161,420.26/55,027.63
  6. Step 6: Final answer
    x = 42,999.52

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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.