Home / 31,070.76-46,824.80-28,113.18

Finding the Fourth Proportional to 31,070.76, 46,824.80 and 28,113.18

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Solution

The fourth proportional to 31,070.76, 46,824.80 and 28,113.18 is: 42,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.76 : 46,824.80 = 28,113.18 : x
  2. Step 2: Convert to fraction form
    31,070.76/46,824.80 = 28,113.18/x
  3. Step 3: Cross multiply
    31,070.76x = 46,824.80 × 28,113.18
  4. Step 4: Simplify right side
    31,070.76x = 1,316,394,030.86
  5. Step 5: Solve for x
    x = 1,316,394,030.86/31,070.76
  6. Step 6: Final answer
    x = 42,367.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.