Home / 31,598.16-47,356.08-12,856.32

Finding the Fourth Proportional to 31,598.16, 47,356.08 and 12,856.32

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Solution

The fourth proportional to 31,598.16, 47,356.08 and 12,856.32 is: 19,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.16 : 47,356.08 = 12,856.32 : x
  2. Step 2: Convert to fraction form
    31,598.16/47,356.08 = 12,856.32/x
  3. Step 3: Cross multiply
    31,598.16x = 47,356.08 × 12,856.32
  4. Step 4: Simplify right side
    31,598.16x = 608,824,918.43
  5. Step 5: Solve for x
    x = 608,824,918.43/31,598.16
  6. Step 6: Final answer
    x = 19,267.73

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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.