Home / 30,242.64-45,349.65-10,518.74

Finding the Fourth Proportional to 30,242.64, 45,349.65 and 10,518.74

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Solution

The fourth proportional to 30,242.64, 45,349.65 and 10,518.74 is: 15,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.64 : 45,349.65 = 10,518.74 : x
  2. Step 2: Convert to fraction form
    30,242.64/45,349.65 = 10,518.74/x
  3. Step 3: Cross multiply
    30,242.64x = 45,349.65 × 10,518.74
  4. Step 4: Simplify right side
    30,242.64x = 477,020,950.69
  5. Step 5: Solve for x
    x = 477,020,950.69/30,242.64
  6. Step 6: Final answer
    x = 15,773.13

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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.