Home / 53,739.84-80,522.28-42,586.32

Finding the Fourth Proportional to 53,739.84, 80,522.28 and 42,586.32

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Solution

The fourth proportional to 53,739.84, 80,522.28 and 42,586.32 is: 63,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.84 : 80,522.28 = 42,586.32 : x
  2. Step 2: Convert to fraction form
    53,739.84/80,522.28 = 42,586.32/x
  3. Step 3: Cross multiply
    53,739.84x = 80,522.28 × 42,586.32
  4. Step 4: Simplify right side
    53,739.84x = 3,429,147,583.21
  5. Step 5: Solve for x
    x = 3,429,147,583.21/53,739.84
  6. Step 6: Final answer
    x = 63,810.16

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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.