Home / 47,390.95-65,399.66-25,880.91

Finding the Fourth Proportional to 47,390.95, 65,399.66 and 25,880.91

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Solution

The fourth proportional to 47,390.95, 65,399.66 and 25,880.91 is: 35,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.95 : 65,399.66 = 25,880.91 : x
  2. Step 2: Convert to fraction form
    47,390.95/65,399.66 = 25,880.91/x
  3. Step 3: Cross multiply
    47,390.95x = 65,399.66 × 25,880.91
  4. Step 4: Simplify right side
    47,390.95x = 1,692,602,714.49
  5. Step 5: Solve for x
    x = 1,692,602,714.49/47,390.95
  6. Step 6: Final answer
    x = 35,715.74

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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.