Home / 56,276.04-77,662.50-31,127.16

Finding the Fourth Proportional to 56,276.04, 77,662.50 and 31,127.16

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Solution

The fourth proportional to 56,276.04, 77,662.50 and 31,127.16 is: 42,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,276.04 : 77,662.50 = 31,127.16 : x
  2. Step 2: Convert to fraction form
    56,276.04/77,662.50 = 31,127.16/x
  3. Step 3: Cross multiply
    56,276.04x = 77,662.50 × 31,127.16
  4. Step 4: Simplify right side
    56,276.04x = 2,417,413,063.50
  5. Step 5: Solve for x
    x = 2,417,413,063.50/56,276.04
  6. Step 6: Final answer
    x = 42,956.35

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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.