Home / 35,915.22-49,549.51-20,802.36

Finding the Fourth Proportional to 35,915.22, 49,549.51 and 20,802.36

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Solution

The fourth proportional to 35,915.22, 49,549.51 and 20,802.36 is: 28,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.22 : 49,549.51 = 20,802.36 : x
  2. Step 2: Convert to fraction form
    35,915.22/49,549.51 = 20,802.36/x
  3. Step 3: Cross multiply
    35,915.22x = 49,549.51 × 20,802.36
  4. Step 4: Simplify right side
    35,915.22x = 1,030,746,956.66
  5. Step 5: Solve for x
    x = 1,030,746,956.66/35,915.22
  6. Step 6: Final answer
    x = 28,699.45

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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.