Home / 30,566.60-42,128.28-26,307.08

Finding the Fourth Proportional to 30,566.60, 42,128.28 and 26,307.08

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Solution

The fourth proportional to 30,566.60, 42,128.28 and 26,307.08 is: 36,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.60 : 42,128.28 = 26,307.08 : x
  2. Step 2: Convert to fraction form
    30,566.60/42,128.28 = 26,307.08/x
  3. Step 3: Cross multiply
    30,566.60x = 42,128.28 × 26,307.08
  4. Step 4: Simplify right side
    30,566.60x = 1,108,272,032.22
  5. Step 5: Solve for x
    x = 1,108,272,032.22/30,566.60
  6. Step 6: Final answer
    x = 36,257.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.