Home / 47,776.79-65,931.48-26,555.60

Finding the Fourth Proportional to 47,776.79, 65,931.48 and 26,555.60

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Solution

The fourth proportional to 47,776.79, 65,931.48 and 26,555.60 is: 36,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,776.79 : 65,931.48 = 26,555.60 : x
  2. Step 2: Convert to fraction form
    47,776.79/65,931.48 = 26,555.60/x
  3. Step 3: Cross multiply
    47,776.79x = 65,931.48 × 26,555.60
  4. Step 4: Simplify right side
    47,776.79x = 1,750,850,010.29
  5. Step 5: Solve for x
    x = 1,750,850,010.29/47,776.79
  6. Step 6: Final answer
    x = 36,646.46

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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.