Home / 66,030.41-99,035.03-21,045.92

Finding the Fourth Proportional to 66,030.41, 99,035.03 and 21,045.92

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Solution

The fourth proportional to 66,030.41, 99,035.03 and 21,045.92 is: 31,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030.41 : 99,035.03 = 21,045.92 : x
  2. Step 2: Convert to fraction form
    66,030.41/99,035.03 = 21,045.92/x
  3. Step 3: Cross multiply
    66,030.41x = 99,035.03 × 21,045.92
  4. Step 4: Simplify right side
    66,030.41x = 2,084,282,718.17
  5. Step 5: Solve for x
    x = 2,084,282,718.17/66,030.41
  6. Step 6: Final answer
    x = 31,565.50

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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.