Home / 50,870.23-70,201.42-28,209.53

Finding the Fourth Proportional to 50,870.23, 70,201.42 and 28,209.53

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Solution

The fourth proportional to 50,870.23, 70,201.42 and 28,209.53 is: 38,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.23 : 70,201.42 = 28,209.53 : x
  2. Step 2: Convert to fraction form
    50,870.23/70,201.42 = 28,209.53/x
  3. Step 3: Cross multiply
    50,870.23x = 70,201.42 × 28,209.53
  4. Step 4: Simplify right side
    50,870.23x = 1,980,349,168.51
  5. Step 5: Solve for x
    x = 1,980,349,168.51/50,870.23
  6. Step 6: Final answer
    x = 38,929.43

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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.