Home / 45,417.65-62,669.36-28,413.68

Finding the Fourth Proportional to 45,417.65, 62,669.36 and 28,413.68

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Solution

The fourth proportional to 45,417.65, 62,669.36 and 28,413.68 is: 39,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.65 : 62,669.36 = 28,413.68 : x
  2. Step 2: Convert to fraction form
    45,417.65/62,669.36 = 28,413.68/x
  3. Step 3: Cross multiply
    45,417.65x = 62,669.36 × 28,413.68
  4. Step 4: Simplify right side
    45,417.65x = 1,780,666,898.53
  5. Step 5: Solve for x
    x = 1,780,666,898.53/45,417.65
  6. Step 6: Final answer
    x = 39,206.50

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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.