Home / 61,007.56-91,477.39-18,875.69

Finding the Fourth Proportional to 61,007.56, 91,477.39 and 18,875.69

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Solution

The fourth proportional to 61,007.56, 91,477.39 and 18,875.69 is: 28,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.56 : 91,477.39 = 18,875.69 : x
  2. Step 2: Convert to fraction form
    61,007.56/91,477.39 = 18,875.69/x
  3. Step 3: Cross multiply
    61,007.56x = 91,477.39 × 18,875.69
  4. Step 4: Simplify right side
    61,007.56x = 1,726,698,729.51
  5. Step 5: Solve for x
    x = 1,726,698,729.51/61,007.56
  6. Step 6: Final answer
    x = 28,303.03

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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.