Home / 30,598.56-42,236.64-18,022.50

Finding the Fourth Proportional to 30,598.56, 42,236.64 and 18,022.50

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Solution

The fourth proportional to 30,598.56, 42,236.64 and 18,022.50 is: 24,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.56 : 42,236.64 = 18,022.50 : x
  2. Step 2: Convert to fraction form
    30,598.56/42,236.64 = 18,022.50/x
  3. Step 3: Cross multiply
    30,598.56x = 42,236.64 × 18,022.50
  4. Step 4: Simplify right side
    30,598.56x = 761,209,844.40
  5. Step 5: Solve for x
    x = 761,209,844.40/30,598.56
  6. Step 6: Final answer
    x = 24,877.31

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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.