Home / 31,758.08-47,637.12-10,970.24

Finding the Fourth Proportional to 31,758.08, 47,637.12 and 10,970.24

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Solution

The fourth proportional to 31,758.08, 47,637.12 and 10,970.24 is: 16,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.08 : 47,637.12 = 10,970.24 : x
  2. Step 2: Convert to fraction form
    31,758.08/47,637.12 = 10,970.24/x
  3. Step 3: Cross multiply
    31,758.08x = 47,637.12 × 10,970.24
  4. Step 4: Simplify right side
    31,758.08x = 522,590,639.31
  5. Step 5: Solve for x
    x = 522,590,639.31/31,758.08
  6. Step 6: Final answer
    x = 16,455.36

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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.