Home / 30,555.07-45,807.95-10,822.87

Finding the Fourth Proportional to 30,555.07, 45,807.95 and 10,822.87

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Solution

The fourth proportional to 30,555.07, 45,807.95 and 10,822.87 is: 16,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.07 : 45,807.95 = 10,822.87 : x
  2. Step 2: Convert to fraction form
    30,555.07/45,807.95 = 10,822.87/x
  3. Step 3: Cross multiply
    30,555.07x = 45,807.95 × 10,822.87
  4. Step 4: Simplify right side
    30,555.07x = 495,773,253.59
  5. Step 5: Solve for x
    x = 495,773,253.59/30,555.07
  6. Step 6: Final answer
    x = 16,225.56

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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.