Home / 37,886.19-52,283.35-20,890.47

Finding the Fourth Proportional to 37,886.19, 52,283.35 and 20,890.47

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Solution

The fourth proportional to 37,886.19, 52,283.35 and 20,890.47 is: 28,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.19 : 52,283.35 = 20,890.47 : x
  2. Step 2: Convert to fraction form
    37,886.19/52,283.35 = 20,890.47/x
  3. Step 3: Cross multiply
    37,886.19x = 52,283.35 × 20,890.47
  4. Step 4: Simplify right side
    37,886.19x = 1,092,223,754.67
  5. Step 5: Solve for x
    x = 1,092,223,754.67/37,886.19
  6. Step 6: Final answer
    x = 28,829.07

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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.