Home / 53,826.88-74,292-31,478.08

Finding the Fourth Proportional to 53,826.88, 74,292 and 31,478.08

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Solution

The fourth proportional to 53,826.88, 74,292 and 31,478.08 is: 43,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,826.88 : 74,292 = 31,478.08 : x
  2. Step 2: Convert to fraction form
    53,826.88/74,292 = 31,478.08/x
  3. Step 3: Cross multiply
    53,826.88x = 74,292 × 31,478.08
  4. Step 4: Simplify right side
    53,826.88x = 2,338,569,519.36
  5. Step 5: Solve for x
    x = 2,338,569,519.36/53,826.88
  6. Step 6: Final answer
    x = 43,446.13

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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.