Home / 42,927.34-64,398.93-13,343.26

Finding the Fourth Proportional to 42,927.34, 64,398.93 and 13,343.26

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Solution

The fourth proportional to 42,927.34, 64,398.93 and 13,343.26 is: 20,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.34 : 64,398.93 = 13,343.26 : x
  2. Step 2: Convert to fraction form
    42,927.34/64,398.93 = 13,343.26/x
  3. Step 3: Cross multiply
    42,927.34x = 64,398.93 × 13,343.26
  4. Step 4: Simplify right side
    42,927.34x = 859,291,666.71
  5. Step 5: Solve for x
    x = 859,291,666.71/42,927.34
  6. Step 6: Final answer
    x = 20,017.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.