Home / 53,384.04-73,646.64-30,718.08

Finding the Fourth Proportional to 53,384.04, 73,646.64 and 30,718.08

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Solution

The fourth proportional to 53,384.04, 73,646.64 and 30,718.08 is: 42,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,384.04 : 73,646.64 = 30,718.08 : x
  2. Step 2: Convert to fraction form
    53,384.04/73,646.64 = 30,718.08/x
  3. Step 3: Cross multiply
    53,384.04x = 73,646.64 × 30,718.08
  4. Step 4: Simplify right side
    53,384.04x = 2,262,283,379.25
  5. Step 5: Solve for x
    x = 2,262,283,379.25/53,384.04
  6. Step 6: Final answer
    x = 42,377.52

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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.