Home / 30,259.14-45,389.02-10,538.18

Finding the Fourth Proportional to 30,259.14, 45,389.02 and 10,538.18

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Solution

The fourth proportional to 30,259.14, 45,389.02 and 10,538.18 is: 15,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.14 : 45,389.02 = 10,538.18 : x
  2. Step 2: Convert to fraction form
    30,259.14/45,389.02 = 10,538.18/x
  3. Step 3: Cross multiply
    30,259.14x = 45,389.02 × 10,538.18
  4. Step 4: Simplify right side
    30,259.14x = 478,317,662.78
  5. Step 5: Solve for x
    x = 478,317,662.78/30,259.14
  6. Step 6: Final answer
    x = 15,807.38

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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.