Home / 30,389.65-45,600.84-14,807.28

Finding the Fourth Proportional to 30,389.65, 45,600.84 and 14,807.28

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Solution

The fourth proportional to 30,389.65, 45,600.84 and 14,807.28 is: 22,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.65 : 45,600.84 = 14,807.28 : x
  2. Step 2: Convert to fraction form
    30,389.65/45,600.84 = 14,807.28/x
  3. Step 3: Cross multiply
    30,389.65x = 45,600.84 × 14,807.28
  4. Step 4: Simplify right side
    30,389.65x = 675,224,406.12
  5. Step 5: Solve for x
    x = 675,224,406.12/30,389.65
  6. Step 6: Final answer
    x = 22,218.89

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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.