Home / 47,700.47-65,823.35-26,478.06

Finding the Fourth Proportional to 47,700.47, 65,823.35 and 26,478.06

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Solution

The fourth proportional to 47,700.47, 65,823.35 and 26,478.06 is: 36,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.47 : 65,823.35 = 26,478.06 : x
  2. Step 2: Convert to fraction form
    47,700.47/65,823.35 = 26,478.06/x
  3. Step 3: Cross multiply
    47,700.47x = 65,823.35 × 26,478.06
  4. Step 4: Simplify right side
    47,700.47x = 1,742,874,610.70
  5. Step 5: Solve for x
    x = 1,742,874,610.70/47,700.47
  6. Step 6: Final answer
    x = 36,537.89

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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.