Home / 30,748.60-42,437.08-17,322.45

Finding the Fourth Proportional to 30,748.60, 42,437.08 and 17,322.45

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Solution

The fourth proportional to 30,748.60, 42,437.08 and 17,322.45 is: 23,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.60 : 42,437.08 = 17,322.45 : x
  2. Step 2: Convert to fraction form
    30,748.60/42,437.08 = 17,322.45/x
  3. Step 3: Cross multiply
    30,748.60x = 42,437.08 × 17,322.45
  4. Step 4: Simplify right side
    30,748.60x = 735,114,196.45
  5. Step 5: Solve for x
    x = 735,114,196.45/30,748.60
  6. Step 6: Final answer
    x = 23,907.24

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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.