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Finding the Fourth Proportional to 35,967.04, 53,915.74 and 13,763.32

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Solution

The fourth proportional to 35,967.04, 53,915.74 and 13,763.32 is: 20,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,967.04 : 53,915.74 = 13,763.32 : x
  2. Step 2: Convert to fraction form
    35,967.04/53,915.74 = 13,763.32/x
  3. Step 3: Cross multiply
    35,967.04x = 53,915.74 × 13,763.32
  4. Step 4: Simplify right side
    35,967.04x = 742,059,582.66
  5. Step 5: Solve for x
    x = 742,059,582.66/35,967.04
  6. Step 6: Final answer
    x = 20,631.66

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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.