Home / 47,780.47-65,938.32-26,271.12

Finding the Fourth Proportional to 47,780.47, 65,938.32 and 26,271.12

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Solution

The fourth proportional to 47,780.47, 65,938.32 and 26,271.12 is: 36,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.47 : 65,938.32 = 26,271.12 : x
  2. Step 2: Convert to fraction form
    47,780.47/65,938.32 = 26,271.12/x
  3. Step 3: Cross multiply
    47,780.47x = 65,938.32 × 26,271.12
  4. Step 4: Simplify right side
    47,780.47x = 1,732,273,056.27
  5. Step 5: Solve for x
    x = 1,732,273,056.27/47,780.47
  6. Step 6: Final answer
    x = 36,254.84

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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.