Home / 30,242.49-45,364.74-10,521.24

Finding the Fourth Proportional to 30,242.49, 45,364.74 and 10,521.24

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Solution

The fourth proportional to 30,242.49, 45,364.74 and 10,521.24 is: 15,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.49 : 45,364.74 = 10,521.24 : x
  2. Step 2: Convert to fraction form
    30,242.49/45,364.74 = 10,521.24/x
  3. Step 3: Cross multiply
    30,242.49x = 45,364.74 × 10,521.24
  4. Step 4: Simplify right side
    30,242.49x = 477,293,317.08
  5. Step 5: Solve for x
    x = 477,293,317.08/30,242.49
  6. Step 6: Final answer
    x = 15,782.21

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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.