Home / 47,385.55-65,390.80-26,164.36

Finding the Fourth Proportional to 47,385.55, 65,390.80 and 26,164.36

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Solution

The fourth proportional to 47,385.55, 65,390.80 and 26,164.36 is: 36,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.55 : 65,390.80 = 26,164.36 : x
  2. Step 2: Convert to fraction form
    47,385.55/65,390.80 = 26,164.36/x
  3. Step 3: Cross multiply
    47,385.55x = 65,390.80 × 26,164.36
  4. Step 4: Simplify right side
    47,385.55x = 1,710,908,431.89
  5. Step 5: Solve for x
    x = 1,710,908,431.89/47,385.55
  6. Step 6: Final answer
    x = 36,106.12

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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.