Home / 47,643.36-65,746.80-26,422.56

Finding the Fourth Proportional to 47,643.36, 65,746.80 and 26,422.56

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Solution

The fourth proportional to 47,643.36, 65,746.80 and 26,422.56 is: 36,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.36 : 65,746.80 = 26,422.56 : x
  2. Step 2: Convert to fraction form
    47,643.36/65,746.80 = 26,422.56/x
  3. Step 3: Cross multiply
    47,643.36x = 65,746.80 × 26,422.56
  4. Step 4: Simplify right side
    47,643.36x = 1,737,198,767.81
  5. Step 5: Solve for x
    x = 1,737,198,767.81/47,643.36
  6. Step 6: Final answer
    x = 36,462.56

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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.