Home / 31,295.68-46,953.28-10,520.08

Finding the Fourth Proportional to 31,295.68, 46,953.28 and 10,520.08

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Solution

The fourth proportional to 31,295.68, 46,953.28 and 10,520.08 is: 15,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.68 : 46,953.28 = 10,520.08 : x
  2. Step 2: Convert to fraction form
    31,295.68/46,953.28 = 10,520.08/x
  3. Step 3: Cross multiply
    31,295.68x = 46,953.28 × 10,520.08
  4. Step 4: Simplify right side
    31,295.68x = 493,952,261.86
  5. Step 5: Solve for x
    x = 493,952,261.86/31,295.68
  6. Step 6: Final answer
    x = 15,783.40

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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.