Home / 35,349.76-48,782.70-19,434.48

Finding the Fourth Proportional to 35,349.76, 48,782.70 and 19,434.48

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Solution

The fourth proportional to 35,349.76, 48,782.70 and 19,434.48 is: 26,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.76 : 48,782.70 = 19,434.48 : x
  2. Step 2: Convert to fraction form
    35,349.76/48,782.70 = 19,434.48/x
  3. Step 3: Cross multiply
    35,349.76x = 48,782.70 × 19,434.48
  4. Step 4: Simplify right side
    35,349.76x = 948,066,407.50
  5. Step 5: Solve for x
    x = 948,066,407.50/35,349.76
  6. Step 6: Final answer
    x = 26,819.60

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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.