Home / 30,779.02-42,490.47-23,958.01

Finding the Fourth Proportional to 30,779.02, 42,490.47 and 23,958.01

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Solution

The fourth proportional to 30,779.02, 42,490.47 and 23,958.01 is: 33,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.02 : 42,490.47 = 23,958.01 : x
  2. Step 2: Convert to fraction form
    30,779.02/42,490.47 = 23,958.01/x
  3. Step 3: Cross multiply
    30,779.02x = 42,490.47 × 23,958.01
  4. Step 4: Simplify right side
    30,779.02x = 1,017,987,105.16
  5. Step 5: Solve for x
    x = 1,017,987,105.16/30,779.02
  6. Step 6: Final answer
    x = 33,074.06

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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.