Home / 55,023.99-76,001.81-42,430.11

Finding the Fourth Proportional to 55,023.99, 76,001.81 and 42,430.11

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Solution

The fourth proportional to 55,023.99, 76,001.81 and 42,430.11 is: 58,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.99 : 76,001.81 = 42,430.11 : x
  2. Step 2: Convert to fraction form
    55,023.99/76,001.81 = 42,430.11/x
  3. Step 3: Cross multiply
    55,023.99x = 76,001.81 × 42,430.11
  4. Step 4: Simplify right side
    55,023.99x = 3,224,765,158.50
  5. Step 5: Solve for x
    x = 3,224,765,158.50/55,023.99
  6. Step 6: Final answer
    x = 58,606.53

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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.