Home / 53,045.28-79,569.54-17,985.24

Finding the Fourth Proportional to 53,045.28, 79,569.54 and 17,985.24

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Solution

The fourth proportional to 53,045.28, 79,569.54 and 17,985.24 is: 26,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.28 : 79,569.54 = 17,985.24 : x
  2. Step 2: Convert to fraction form
    53,045.28/79,569.54 = 17,985.24/x
  3. Step 3: Cross multiply
    53,045.28x = 79,569.54 × 17,985.24
  4. Step 4: Simplify right side
    53,045.28x = 1,431,077,273.59
  5. Step 5: Solve for x
    x = 1,431,077,273.59/53,045.28
  6. Step 6: Final answer
    x = 26,978.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.