Home / 35,477.78-53,227.12-10,518.54

Finding the Fourth Proportional to 35,477.78, 53,227.12 and 10,518.54

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Solution

The fourth proportional to 35,477.78, 53,227.12 and 10,518.54 is: 15,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.78 : 53,227.12 = 10,518.54 : x
  2. Step 2: Convert to fraction form
    35,477.78/53,227.12 = 10,518.54/x
  3. Step 3: Cross multiply
    35,477.78x = 53,227.12 × 10,518.54
  4. Step 4: Simplify right side
    35,477.78x = 559,871,590.80
  5. Step 5: Solve for x
    x = 559,871,590.80/35,477.78
  6. Step 6: Final answer
    x = 15,780.91

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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.