Home / 30,290.04-45,440.84-10,574.24

Finding the Fourth Proportional to 30,290.04, 45,440.84 and 10,574.24

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Solution

The fourth proportional to 30,290.04, 45,440.84 and 10,574.24 is: 15,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.04 : 45,440.84 = 10,574.24 : x
  2. Step 2: Convert to fraction form
    30,290.04/45,440.84 = 10,574.24/x
  3. Step 3: Cross multiply
    30,290.04x = 45,440.84 × 10,574.24
  4. Step 4: Simplify right side
    30,290.04x = 480,502,347.96
  5. Step 5: Solve for x
    x = 480,502,347.96/30,290.04
  6. Step 6: Final answer
    x = 15,863.38

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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.