Home / 47,130.15-65,040.86-25,621.35

Finding the Fourth Proportional to 47,130.15, 65,040.86 and 25,621.35

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Solution

The fourth proportional to 47,130.15, 65,040.86 and 25,621.35 is: 35,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.15 : 65,040.86 = 25,621.35 : x
  2. Step 2: Convert to fraction form
    47,130.15/65,040.86 = 25,621.35/x
  3. Step 3: Cross multiply
    47,130.15x = 65,040.86 × 25,621.35
  4. Step 4: Simplify right side
    47,130.15x = 1,666,434,638.36
  5. Step 5: Solve for x
    x = 1,666,434,638.36/47,130.15
  6. Step 6: Final answer
    x = 35,358.14

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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.