Home / 30,862.49-42,592.86-17,436.21

Finding the Fourth Proportional to 30,862.49, 42,592.86 and 17,436.21

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Solution

The fourth proportional to 30,862.49, 42,592.86 and 17,436.21 is: 24,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.49 : 42,592.86 = 17,436.21 : x
  2. Step 2: Convert to fraction form
    30,862.49/42,592.86 = 17,436.21/x
  3. Step 3: Cross multiply
    30,862.49x = 42,592.86 × 17,436.21
  4. Step 4: Simplify right side
    30,862.49x = 742,658,051.46
  5. Step 5: Solve for x
    x = 742,658,051.46/30,862.49
  6. Step 6: Final answer
    x = 24,063.45

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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.