Home / 40,123.84-60,143.52-19,303.36

Finding the Fourth Proportional to 40,123.84, 60,143.52 and 19,303.36

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Solution

The fourth proportional to 40,123.84, 60,143.52 and 19,303.36 is: 28,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.84 : 60,143.52 = 19,303.36 : x
  2. Step 2: Convert to fraction form
    40,123.84/60,143.52 = 19,303.36/x
  3. Step 3: Cross multiply
    40,123.84x = 60,143.52 × 19,303.36
  4. Step 4: Simplify right side
    40,123.84x = 1,160,972,018.23
  5. Step 5: Solve for x
    x = 1,160,972,018.23/40,123.84
  6. Step 6: Final answer
    x = 28,934.72

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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.