Home / 35,389.86-48,840.02-20,285.03

Finding the Fourth Proportional to 35,389.86, 48,840.02 and 20,285.03

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Solution

The fourth proportional to 35,389.86, 48,840.02 and 20,285.03 is: 27,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.86 : 48,840.02 = 20,285.03 : x
  2. Step 2: Convert to fraction form
    35,389.86/48,840.02 = 20,285.03/x
  3. Step 3: Cross multiply
    35,389.86x = 48,840.02 × 20,285.03
  4. Step 4: Simplify right side
    35,389.86x = 990,721,443.71
  5. Step 5: Solve for x
    x = 990,721,443.71/35,389.86
  6. Step 6: Final answer
    x = 27,994.50

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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.