Home / 35,058.36-48,390.06-20,911.80

Finding the Fourth Proportional to 35,058.36, 48,390.06 and 20,911.80

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Solution

The fourth proportional to 35,058.36, 48,390.06 and 20,911.80 is: 28,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,058.36 : 48,390.06 = 20,911.80 : x
  2. Step 2: Convert to fraction form
    35,058.36/48,390.06 = 20,911.80/x
  3. Step 3: Cross multiply
    35,058.36x = 48,390.06 × 20,911.80
  4. Step 4: Simplify right side
    35,058.36x = 1,011,923,256.71
  5. Step 5: Solve for x
    x = 1,011,923,256.71/35,058.36
  6. Step 6: Final answer
    x = 28,863.96

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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.