Home / 37,715.36-52,048.32-21,798.40

Finding the Fourth Proportional to 37,715.36, 52,048.32 and 21,798.40

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Solution

The fourth proportional to 37,715.36, 52,048.32 and 21,798.40 is: 30,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,715.36 : 52,048.32 = 21,798.40 : x
  2. Step 2: Convert to fraction form
    37,715.36/52,048.32 = 21,798.40/x
  3. Step 3: Cross multiply
    37,715.36x = 52,048.32 × 21,798.40
  4. Step 4: Simplify right side
    37,715.36x = 1,134,570,098.69
  5. Step 5: Solve for x
    x = 1,134,570,098.69/37,715.36
  6. Step 6: Final answer
    x = 30,082.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.