Home / 30,816.02-42,525.90-16,668.56

Finding the Fourth Proportional to 30,816.02, 42,525.90 and 16,668.56

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Solution

The fourth proportional to 30,816.02, 42,525.90 and 16,668.56 is: 23,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.02 : 42,525.90 = 16,668.56 : x
  2. Step 2: Convert to fraction form
    30,816.02/42,525.90 = 16,668.56/x
  3. Step 3: Cross multiply
    30,816.02x = 42,525.90 × 16,668.56
  4. Step 4: Simplify right side
    30,816.02x = 708,845,303.07
  5. Step 5: Solve for x
    x = 708,845,303.07/30,816.02
  6. Step 6: Final answer
    x = 23,002.50

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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.