Home / 46,569.81-69,866.51-13,290

Finding the Fourth Proportional to 46,569.81, 69,866.51 and 13,290

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Solution

The fourth proportional to 46,569.81, 69,866.51 and 13,290 is: 19,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,569.81 : 69,866.51 = 13,290 : x
  2. Step 2: Convert to fraction form
    46,569.81/69,866.51 = 13,290/x
  3. Step 3: Cross multiply
    46,569.81x = 69,866.51 × 13,290
  4. Step 4: Simplify right side
    46,569.81x = 928,525,917.90
  5. Step 5: Solve for x
    x = 928,525,917.90/46,569.81
  6. Step 6: Final answer
    x = 19,938.37

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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.