Home / 30,448.02-45,629.10-14,420.55

Finding the Fourth Proportional to 30,448.02, 45,629.10 and 14,420.55

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Solution

The fourth proportional to 30,448.02, 45,629.10 and 14,420.55 is: 21,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.02 : 45,629.10 = 14,420.55 : x
  2. Step 2: Convert to fraction form
    30,448.02/45,629.10 = 14,420.55/x
  3. Step 3: Cross multiply
    30,448.02x = 45,629.10 × 14,420.55
  4. Step 4: Simplify right side
    30,448.02x = 657,996,718.01
  5. Step 5: Solve for x
    x = 657,996,718.01/30,448.02
  6. Step 6: Final answer
    x = 21,610.49

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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.