Home / 34,537.51-47,660.02-20,387.62

Finding the Fourth Proportional to 34,537.51, 47,660.02 and 20,387.62

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Solution

The fourth proportional to 34,537.51, 47,660.02 and 20,387.62 is: 28,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,537.51 : 47,660.02 = 20,387.62 : x
  2. Step 2: Convert to fraction form
    34,537.51/47,660.02 = 20,387.62/x
  3. Step 3: Cross multiply
    34,537.51x = 47,660.02 × 20,387.62
  4. Step 4: Simplify right side
    34,537.51x = 971,674,376.95
  5. Step 5: Solve for x
    x = 971,674,376.95/34,537.51
  6. Step 6: Final answer
    x = 28,133.89

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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.