Home / 50,117.08-75,130.86-18,974.20

Finding the Fourth Proportional to 50,117.08, 75,130.86 and 18,974.20

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Solution

The fourth proportional to 50,117.08, 75,130.86 and 18,974.20 is: 28,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,117.08 : 75,130.86 = 18,974.20 : x
  2. Step 2: Convert to fraction form
    50,117.08/75,130.86 = 18,974.20/x
  3. Step 3: Cross multiply
    50,117.08x = 75,130.86 × 18,974.20
  4. Step 4: Simplify right side
    50,117.08x = 1,425,547,963.81
  5. Step 5: Solve for x
    x = 1,425,547,963.81/50,117.08
  6. Step 6: Final answer
    x = 28,444.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.