Home / 46,402.22-69,572.06-21,428.50

Finding the Fourth Proportional to 46,402.22, 69,572.06 and 21,428.50

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Solution

The fourth proportional to 46,402.22, 69,572.06 and 21,428.50 is: 32,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,402.22 : 69,572.06 = 21,428.50 : x
  2. Step 2: Convert to fraction form
    46,402.22/69,572.06 = 21,428.50/x
  3. Step 3: Cross multiply
    46,402.22x = 69,572.06 × 21,428.50
  4. Step 4: Simplify right side
    46,402.22x = 1,490,824,887.71
  5. Step 5: Solve for x
    x = 1,490,824,887.71/46,402.22
  6. Step 6: Final answer
    x = 32,128.31

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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.