Home / 51,240.15-70,700.66-31,107.63

Finding the Fourth Proportional to 51,240.15, 70,700.66 and 31,107.63

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Solution

The fourth proportional to 51,240.15, 70,700.66 and 31,107.63 is: 42,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.15 : 70,700.66 = 31,107.63 : x
  2. Step 2: Convert to fraction form
    51,240.15/70,700.66 = 31,107.63/x
  3. Step 3: Cross multiply
    51,240.15x = 70,700.66 × 31,107.63
  4. Step 4: Simplify right side
    51,240.15x = 2,199,329,816.50
  5. Step 5: Solve for x
    x = 2,199,329,816.50/51,240.15
  6. Step 6: Final answer
    x = 42,922.00

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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.