Home / 35,391.78-53,050.65-13,195.50

Finding the Fourth Proportional to 35,391.78, 53,050.65 and 13,195.50

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Solution

The fourth proportional to 35,391.78, 53,050.65 and 13,195.50 is: 19,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.78 : 53,050.65 = 13,195.50 : x
  2. Step 2: Convert to fraction form
    35,391.78/53,050.65 = 13,195.50/x
  3. Step 3: Cross multiply
    35,391.78x = 53,050.65 × 13,195.50
  4. Step 4: Simplify right side
    35,391.78x = 700,029,852.08
  5. Step 5: Solve for x
    x = 700,029,852.08/35,391.78
  6. Step 6: Final answer
    x = 19,779.45

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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.