Home / 53,030.46-79,560.54-17,972.76

Finding the Fourth Proportional to 53,030.46, 79,560.54 and 17,972.76

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Solution

The fourth proportional to 53,030.46, 79,560.54 and 17,972.76 is: 26,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.46 : 79,560.54 = 17,972.76 : x
  2. Step 2: Convert to fraction form
    53,030.46/79,560.54 = 17,972.76/x
  3. Step 3: Cross multiply
    53,030.46x = 79,560.54 × 17,972.76
  4. Step 4: Simplify right side
    53,030.46x = 1,429,922,490.89
  5. Step 5: Solve for x
    x = 1,429,922,490.89/53,030.46
  6. Step 6: Final answer
    x = 26,964.17

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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.