Home / 31,213.76-46,810.86-10,432.40

Finding the Fourth Proportional to 31,213.76, 46,810.86 and 10,432.40

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Solution

The fourth proportional to 31,213.76, 46,810.86 and 10,432.40 is: 15,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.76 : 46,810.86 = 10,432.40 : x
  2. Step 2: Convert to fraction form
    31,213.76/46,810.86 = 10,432.40/x
  3. Step 3: Cross multiply
    31,213.76x = 46,810.86 × 10,432.40
  4. Step 4: Simplify right side
    31,213.76x = 488,349,615.86
  5. Step 5: Solve for x
    x = 488,349,615.86/31,213.76
  6. Step 6: Final answer
    x = 15,645.33

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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.