Home / 30,242.62-45,368.79-10,526.81

Finding the Fourth Proportional to 30,242.62, 45,368.79 and 10,526.81

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Solution

The fourth proportional to 30,242.62, 45,368.79 and 10,526.81 is: 15,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.62 : 45,368.79 = 10,526.81 : x
  2. Step 2: Convert to fraction form
    30,242.62/45,368.79 = 10,526.81/x
  3. Step 3: Cross multiply
    30,242.62x = 45,368.79 × 10,526.81
  4. Step 4: Simplify right side
    30,242.62x = 477,588,579.63
  5. Step 5: Solve for x
    x = 477,588,579.63/30,242.62
  6. Step 6: Final answer
    x = 15,791.91

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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.