Home / 30,364.03-45,240.76-28,666.38

Finding the Fourth Proportional to 30,364.03, 45,240.76 and 28,666.38

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Solution

The fourth proportional to 30,364.03, 45,240.76 and 28,666.38 is: 42,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.03 : 45,240.76 = 28,666.38 : x
  2. Step 2: Convert to fraction form
    30,364.03/45,240.76 = 28,666.38/x
  3. Step 3: Cross multiply
    30,364.03x = 45,240.76 × 28,666.38
  4. Step 4: Simplify right side
    30,364.03x = 1,296,888,448.11
  5. Step 5: Solve for x
    x = 1,296,888,448.11/30,364.03
  6. Step 6: Final answer
    x = 42,711.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.