Home / 30,891.42-42,598.35-26,429.94

Finding the Fourth Proportional to 30,891.42, 42,598.35 and 26,429.94

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Solution

The fourth proportional to 30,891.42, 42,598.35 and 26,429.94 is: 36,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.42 : 42,598.35 = 26,429.94 : x
  2. Step 2: Convert to fraction form
    30,891.42/42,598.35 = 26,429.94/x
  3. Step 3: Cross multiply
    30,891.42x = 42,598.35 × 26,429.94
  4. Step 4: Simplify right side
    30,891.42x = 1,125,871,834.60
  5. Step 5: Solve for x
    x = 1,125,871,834.60/30,891.42
  6. Step 6: Final answer
    x = 36,446.10

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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.