Home / 51,007.95-70,389.57-28,346.36

Finding the Fourth Proportional to 51,007.95, 70,389.57 and 28,346.36

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Solution

The fourth proportional to 51,007.95, 70,389.57 and 28,346.36 is: 39,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.95 : 70,389.57 = 28,346.36 : x
  2. Step 2: Convert to fraction form
    51,007.95/70,389.57 = 28,346.36/x
  3. Step 3: Cross multiply
    51,007.95x = 70,389.57 × 28,346.36
  4. Step 4: Simplify right side
    51,007.95x = 1,995,288,196.57
  5. Step 5: Solve for x
    x = 1,995,288,196.57/51,007.95
  6. Step 6: Final answer
    x = 39,117.20

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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.