Home / 30,139.56-45,206.10-23,549.40

Finding the Fourth Proportional to 30,139.56, 45,206.10 and 23,549.40

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Solution

The fourth proportional to 30,139.56, 45,206.10 and 23,549.40 is: 35,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.56 : 45,206.10 = 23,549.40 : x
  2. Step 2: Convert to fraction form
    30,139.56/45,206.10 = 23,549.40/x
  3. Step 3: Cross multiply
    30,139.56x = 45,206.10 × 23,549.40
  4. Step 4: Simplify right side
    30,139.56x = 1,064,576,531.34
  5. Step 5: Solve for x
    x = 1,064,576,531.34/30,139.56
  6. Step 6: Final answer
    x = 35,321.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.