Home / 35,443.07-53,128.08-15,730.91

Finding the Fourth Proportional to 35,443.07, 53,128.08 and 15,730.91

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Solution

The fourth proportional to 35,443.07, 53,128.08 and 15,730.91 is: 23,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.07 : 53,128.08 = 15,730.91 : x
  2. Step 2: Convert to fraction form
    35,443.07/53,128.08 = 15,730.91/x
  3. Step 3: Cross multiply
    35,443.07x = 53,128.08 × 15,730.91
  4. Step 4: Simplify right side
    35,443.07x = 835,752,779.31
  5. Step 5: Solve for x
    x = 835,752,779.31/35,443.07
  6. Step 6: Final answer
    x = 23,580.15

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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.