Home / 30,670.02-42,325.02-17,240.49

Finding the Fourth Proportional to 30,670.02, 42,325.02 and 17,240.49

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Solution

The fourth proportional to 30,670.02, 42,325.02 and 17,240.49 is: 23,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.02 : 42,325.02 = 17,240.49 : x
  2. Step 2: Convert to fraction form
    30,670.02/42,325.02 = 17,240.49/x
  3. Step 3: Cross multiply
    30,670.02x = 42,325.02 × 17,240.49
  4. Step 4: Simplify right side
    30,670.02x = 729,704,084.06
  5. Step 5: Solve for x
    x = 729,704,084.06/30,670.02
  6. Step 6: Final answer
    x = 23,792.10

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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.