Home / 30,285.83-45,423.28-10,570.03

Finding the Fourth Proportional to 30,285.83, 45,423.28 and 10,570.03

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Solution

The fourth proportional to 30,285.83, 45,423.28 and 10,570.03 is: 15,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.83 : 45,423.28 = 10,570.03 : x
  2. Step 2: Convert to fraction form
    30,285.83/45,423.28 = 10,570.03/x
  3. Step 3: Cross multiply
    30,285.83x = 45,423.28 × 10,570.03
  4. Step 4: Simplify right side
    30,285.83x = 480,125,331.95
  5. Step 5: Solve for x
    x = 480,125,331.95/30,285.83
  6. Step 6: Final answer
    x = 15,853.13

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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.