Home / 31,574.64-47,331.24-26,390.64

Finding the Fourth Proportional to 31,574.64, 47,331.24 and 26,390.64

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Solution

The fourth proportional to 31,574.64, 47,331.24 and 26,390.64 is: 39,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.64 : 47,331.24 = 26,390.64 : x
  2. Step 2: Convert to fraction form
    31,574.64/47,331.24 = 26,390.64/x
  3. Step 3: Cross multiply
    31,574.64x = 47,331.24 × 26,390.64
  4. Step 4: Simplify right side
    31,574.64x = 1,249,101,715.59
  5. Step 5: Solve for x
    x = 1,249,101,715.59/31,574.64
  6. Step 6: Final answer
    x = 39,560.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.