Home / 50,900.47-70,240.57-28,240.45

Finding the Fourth Proportional to 50,900.47, 70,240.57 and 28,240.45

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Solution

The fourth proportional to 50,900.47, 70,240.57 and 28,240.45 is: 38,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.47 : 70,240.57 = 28,240.45 : x
  2. Step 2: Convert to fraction form
    50,900.47/70,240.57 = 28,240.45/x
  3. Step 3: Cross multiply
    50,900.47x = 70,240.57 × 28,240.45
  4. Step 4: Simplify right side
    50,900.47x = 1,983,625,058.85
  5. Step 5: Solve for x
    x = 1,983,625,058.85/50,900.47
  6. Step 6: Final answer
    x = 38,970.66

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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.