Home / 46,542.40-64,153.82-31,430.23

Finding the Fourth Proportional to 46,542.40, 64,153.82 and 31,430.23

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Solution

The fourth proportional to 46,542.40, 64,153.82 and 31,430.23 is: 43,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,542.40 : 64,153.82 = 31,430.23 : x
  2. Step 2: Convert to fraction form
    46,542.40/64,153.82 = 31,430.23/x
  3. Step 3: Cross multiply
    46,542.40x = 64,153.82 × 31,430.23
  4. Step 4: Simplify right side
    46,542.40x = 2,016,369,236.17
  5. Step 5: Solve for x
    x = 2,016,369,236.17/46,542.40
  6. Step 6: Final answer
    x = 43,323.28

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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.