Home / 30,242.12-45,368.03-10,526.31

Finding the Fourth Proportional to 30,242.12, 45,368.03 and 10,526.31

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Solution

The fourth proportional to 30,242.12, 45,368.03 and 10,526.31 is: 15,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.12 : 45,368.03 = 10,526.31 : x
  2. Step 2: Convert to fraction form
    30,242.12/45,368.03 = 10,526.31/x
  3. Step 3: Cross multiply
    30,242.12x = 45,368.03 × 10,526.31
  4. Step 4: Simplify right side
    30,242.12x = 477,557,974.19
  5. Step 5: Solve for x
    x = 477,557,974.19/30,242.12
  6. Step 6: Final answer
    x = 15,791.16

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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.