Home / 30,038.16-45,052.49-10,047.50

Finding the Fourth Proportional to 30,038.16, 45,052.49 and 10,047.50

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Solution

The fourth proportional to 30,038.16, 45,052.49 and 10,047.50 is: 15,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.16 : 45,052.49 = 10,047.50 : x
  2. Step 2: Convert to fraction form
    30,038.16/45,052.49 = 10,047.50/x
  3. Step 3: Cross multiply
    30,038.16x = 45,052.49 × 10,047.50
  4. Step 4: Simplify right side
    30,038.16x = 452,664,693.13
  5. Step 5: Solve for x
    x = 452,664,693.13/30,038.16
  6. Step 6: Final answer
    x = 15,069.65

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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.