Home / 51,038.77-70,436.69-28,382.83

Finding the Fourth Proportional to 51,038.77, 70,436.69 and 28,382.83

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Solution

The fourth proportional to 51,038.77, 70,436.69 and 28,382.83 is: 39,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,038.77 : 70,436.69 = 28,382.83 : x
  2. Step 2: Convert to fraction form
    51,038.77/70,436.69 = 28,382.83/x
  3. Step 3: Cross multiply
    51,038.77x = 70,436.69 × 28,382.83
  4. Step 4: Simplify right side
    51,038.77x = 1,999,192,668.99
  5. Step 5: Solve for x
    x = 1,999,192,668.99/51,038.77
  6. Step 6: Final answer
    x = 39,170.08

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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.