Home / 53,306.99-79,931.07-21,708.95

Finding the Fourth Proportional to 53,306.99, 79,931.07 and 21,708.95

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Solution

The fourth proportional to 53,306.99, 79,931.07 and 21,708.95 is: 32,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.99 : 79,931.07 = 21,708.95 : x
  2. Step 2: Convert to fraction form
    53,306.99/79,931.07 = 21,708.95/x
  3. Step 3: Cross multiply
    53,306.99x = 79,931.07 × 21,708.95
  4. Step 4: Simplify right side
    53,306.99x = 1,735,219,602.08
  5. Step 5: Solve for x
    x = 1,735,219,602.08/53,306.99
  6. Step 6: Final answer
    x = 32,551.45

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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.