Home / 30,476.95-42,056.24-17,045.89

Finding the Fourth Proportional to 30,476.95, 42,056.24 and 17,045.89

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Solution

The fourth proportional to 30,476.95, 42,056.24 and 17,045.89 is: 23,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.95 : 42,056.24 = 17,045.89 : x
  2. Step 2: Convert to fraction form
    30,476.95/42,056.24 = 17,045.89/x
  3. Step 3: Cross multiply
    30,476.95x = 42,056.24 × 17,045.89
  4. Step 4: Simplify right side
    30,476.95x = 716,885,850.48
  5. Step 5: Solve for x
    x = 716,885,850.48/30,476.95
  6. Step 6: Final answer
    x = 23,522.23

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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.