Home / 35,665.14-53,421.84-28,970.19

Finding the Fourth Proportional to 35,665.14, 53,421.84 and 28,970.19

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Solution

The fourth proportional to 35,665.14, 53,421.84 and 28,970.19 is: 43,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.14 : 53,421.84 = 28,970.19 : x
  2. Step 2: Convert to fraction form
    35,665.14/53,421.84 = 28,970.19/x
  3. Step 3: Cross multiply
    35,665.14x = 53,421.84 × 28,970.19
  4. Step 4: Simplify right side
    35,665.14x = 1,547,640,854.95
  5. Step 5: Solve for x
    x = 1,547,640,854.95/35,665.14
  6. Step 6: Final answer
    x = 43,393.66

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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.