Home / 53,429.95-73,726.90-30,776.31

Finding the Fourth Proportional to 53,429.95, 73,726.90 and 30,776.31

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Solution

The fourth proportional to 53,429.95, 73,726.90 and 30,776.31 is: 42,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.95 : 73,726.90 = 30,776.31 : x
  2. Step 2: Convert to fraction form
    53,429.95/73,726.90 = 30,776.31/x
  3. Step 3: Cross multiply
    53,429.95x = 73,726.90 × 30,776.31
  4. Step 4: Simplify right side
    53,429.95x = 2,269,041,929.74
  5. Step 5: Solve for x
    x = 2,269,041,929.74/53,429.95
  6. Step 6: Final answer
    x = 42,467.60

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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.