Home / 30,454.29-45,686.36-9,389.40

Finding the Fourth Proportional to 30,454.29, 45,686.36 and 9,389.40

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Solution

The fourth proportional to 30,454.29, 45,686.36 and 9,389.40 is: 14,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.29 : 45,686.36 = 9,389.40 : x
  2. Step 2: Convert to fraction form
    30,454.29/45,686.36 = 9,389.40/x
  3. Step 3: Cross multiply
    30,454.29x = 45,686.36 × 9,389.40
  4. Step 4: Simplify right side
    30,454.29x = 428,967,461.64
  5. Step 5: Solve for x
    x = 428,967,461.64/30,454.29
  6. Step 6: Final answer
    x = 14,085.62

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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.