Home / 39,071.07-58,638.02-20,356.70

Finding the Fourth Proportional to 39,071.07, 58,638.02 and 20,356.70

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Solution

The fourth proportional to 39,071.07, 58,638.02 and 20,356.70 is: 30,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.07 : 58,638.02 = 20,356.70 : x
  2. Step 2: Convert to fraction form
    39,071.07/58,638.02 = 20,356.70/x
  3. Step 3: Cross multiply
    39,071.07x = 58,638.02 × 20,356.70
  4. Step 4: Simplify right side
    39,071.07x = 1,193,676,186.76
  5. Step 5: Solve for x
    x = 1,193,676,186.76/39,071.07
  6. Step 6: Final answer
    x = 30,551.41

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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.