Home / 61,037.12-91,556.16-21,594.40

Finding the Fourth Proportional to 61,037.12, 91,556.16 and 21,594.40

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Solution

The fourth proportional to 61,037.12, 91,556.16 and 21,594.40 is: 32,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.12 : 91,556.16 = 21,594.40 : x
  2. Step 2: Convert to fraction form
    61,037.12/91,556.16 = 21,594.40/x
  3. Step 3: Cross multiply
    61,037.12x = 91,556.16 × 21,594.40
  4. Step 4: Simplify right side
    61,037.12x = 1,977,100,341.50
  5. Step 5: Solve for x
    x = 1,977,100,341.50/61,037.12
  6. Step 6: Final answer
    x = 32,391.77

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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.