Home / 30,957.95-42,722.47-17,528.85

Finding the Fourth Proportional to 30,957.95, 42,722.47 and 17,528.85

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Solution

The fourth proportional to 30,957.95, 42,722.47 and 17,528.85 is: 24,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.95 : 42,722.47 = 17,528.85 : x
  2. Step 2: Convert to fraction form
    30,957.95/42,722.47 = 17,528.85/x
  3. Step 3: Cross multiply
    30,957.95x = 42,722.47 × 17,528.85
  4. Step 4: Simplify right side
    30,957.95x = 748,875,510.83
  5. Step 5: Solve for x
    x = 748,875,510.83/30,957.95
  6. Step 6: Final answer
    x = 24,190.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.