Home / 53,017.68-79,526.52-17,981.94

Finding the Fourth Proportional to 53,017.68, 79,526.52 and 17,981.94

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Solution

The fourth proportional to 53,017.68, 79,526.52 and 17,981.94 is: 26,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.68 : 79,526.52 = 17,981.94 : x
  2. Step 2: Convert to fraction form
    53,017.68/79,526.52 = 17,981.94/x
  3. Step 3: Cross multiply
    53,017.68x = 79,526.52 × 17,981.94
  4. Step 4: Simplify right side
    53,017.68x = 1,430,041,111.05
  5. Step 5: Solve for x
    x = 1,430,041,111.05/53,017.68
  6. Step 6: Final answer
    x = 26,972.91

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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.