Home / 51,006.60-70,386.84-28,347.18

Finding the Fourth Proportional to 51,006.60, 70,386.84 and 28,347.18

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Solution

The fourth proportional to 51,006.60, 70,386.84 and 28,347.18 is: 39,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,006.60 : 70,386.84 = 28,347.18 : x
  2. Step 2: Convert to fraction form
    51,006.60/70,386.84 = 28,347.18/x
  3. Step 3: Cross multiply
    51,006.60x = 70,386.84 × 28,347.18
  4. Step 4: Simplify right side
    51,006.60x = 1,995,268,423.11
  5. Step 5: Solve for x
    x = 1,995,268,423.11/51,006.60
  6. Step 6: Final answer
    x = 39,117.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.